Etsuko Hayashi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transmission apparatus and optical attenuation amount contr...
- Patent number 8,116,626
- Issue date Feb 14, 2012
- Fujitsu Limited
- Tomoaki Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 8,064,130
- Issue date Nov 22, 2011
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier provided with control function of pumping light,...
- Patent number 8,054,455
- Issue date Nov 8, 2011
- Fujitsu Limited
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gain control apparatus, optical transmission apparatus, gain contro...
- Patent number 7,843,631
- Issue date Nov 30, 2010
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and method of controlling the same
- Patent number 7,813,642
- Issue date Oct 12, 2010
- Fujitsu Limited
- Shinichirou Muro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical surge suppressive type optical amplifier
- Patent number 7,751,119
- Issue date Jul 6, 2010
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber, manufacturing method of the same, and optical amplifier
- Patent number 7,729,588
- Issue date Jun 1, 2010
- Fujitsu Limited
- Masato Nishihara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical amplifier provided with control function of pumping light,...
- Patent number 7,719,758
- Issue date May 18, 2010
- Fujitsu Limited
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Individual band gain equalizer for optical amplifiers
- Patent number 7,715,093
- Issue date May 11, 2010
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and optical monitor circuit
- Patent number 7,688,498
- Issue date Mar 30, 2010
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 7,616,848
- Issue date Nov 10, 2009
- Fujitsu Limited
- Tomoaki Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplification characteristics simulation apparatus and opti...
- Patent number 7,551,347
- Issue date Jun 23, 2009
- Fujitsu Limited
- Etsuko Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Raman amplifier and wavelength division multiplexing optical commun...
- Patent number 7,529,022
- Issue date May 5, 2009
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier provided with control function of pumping light,...
- Patent number 7,505,197
- Issue date Mar 17, 2009
- Fujitsu Limited
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier for amplifying multi-wavelength light
- Patent number 7,417,791
- Issue date Aug 26, 2008
- Fujitsu Limited
- Miki Onaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical amplifier, optical amplification repeater and pump light su...
- Patent number 7,400,441
- Issue date Jul 15, 2008
- Fujitsu Limited
- Shinichirou Muro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier for wide band Raman amplification of wavelength d...
- Patent number 7,394,589
- Issue date Jul 1, 2008
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier with pump light source control for Raman amplific...
- Patent number 7,362,499
- Issue date Apr 22, 2008
- Fujitsu Limited
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Individual band gain equalizer for optical amplifiers
- Patent number 7,359,112
- Issue date Apr 15, 2008
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier having polarization mode dispersion compensation...
- Patent number 7,268,936
- Issue date Sep 11, 2007
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for amplification medium performance simulatio...
- Patent number 7,212,335
- Issue date May 1, 2007
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier
- Patent number 7,180,654
- Issue date Feb 20, 2007
- Fujitsu Limited
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for amplification medium performance simulatio...
- Patent number 7,154,664
- Issue date Dec 26, 2006
- Fujitsu Limited
- Masato Nishihara
Information Patent Grant
Control method of optical fiber amplifier and optical transmission...
- Patent number 7,145,718
- Issue date Dec 5, 2006
- Fujitsu Limited
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical multiplexing method and optical multiplexer, and optical am...
- Patent number 7,127,139
- Issue date Oct 24, 2006
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplification method and optical amplifier for wavelength division...
- Patent number 7,119,950
- Issue date Oct 10, 2006
- Fujitsu Limited
- Chihiro Ohshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and controlling method for Raman amplifier
- Patent number 7,095,553
- Issue date Aug 22, 2006
- Fujitsu Limited
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and gain tilt compensation method
- Patent number 7,072,100
- Issue date Jul 4, 2006
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical apparatus with loss compensation capability and optical amp...
- Patent number 7,061,669
- Issue date Jun 13, 2006
- Fujitsu Limited
- Hisao Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier with pump light source control for Raman amplific...
- Patent number 7,042,636
- Issue date May 9, 2006
- Fujitsu Limited
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical amplifier provided with control function of pumping light,...
- Publication number 20100157416
- Publication date Jun 24, 2010
- FUJITSU LIMITED
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus and optical attenuation amount contr...
- Publication number 20090297143
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Tomoaki Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier provided with control function of pumping light,...
- Publication number 20090219609
- Publication date Sep 3, 2009
- FUJITSU LIMITED
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Surge Suppressive Type Optical Amplifier
- Publication number 20080310011
- Publication date Dec 18, 2008
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INDIVIDUAL BAND GAIN EQUALIZER FOR OPTICAL AMPLIFIERS
- Publication number 20080239470
- Publication date Oct 2, 2008
- FUJITSU LIMITED
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GAIN CONTROL APPARATUS, OPTICAL TRANSMISSION APPARATUS, GAIN CONTRO...
- Publication number 20080239469
- Publication date Oct 2, 2008
- FUJITSU LIMITED
- Miki ONAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplification characteristics simulation apparatus and opti...
- Publication number 20080088915
- Publication date Apr 17, 2008
- FUJITSU LIMITED
- Etsuko Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND METHOD OF CONTROLLING THE SAME
- Publication number 20080080865
- Publication date Apr 3, 2008
- FUJITSU LIMITED
- Shinichirou Muro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBER, MANUFACTURING METHOD OF THE SAME, AND OPTICAL AMPLIFIER
- Publication number 20080013904
- Publication date Jan 17, 2008
- FUJITSU LIMITED
- Masato Nishihara
- G02 - OPTICS
Information Patent Application
Optical surge suppresive type optical amplifier
- Publication number 20080007818
- Publication date Jan 10, 2008
- Miki Onaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus
- Publication number 20070274725
- Publication date Nov 29, 2007
- FUJITSU LIMITED
- Tomoaki Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER, OPTICAL AMPLIFICATION REPEATER AND PUMP LIGHT SU...
- Publication number 20070268569
- Publication date Nov 22, 2007
- FUJITSU LIMITED
- Shinichirou Muro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Control apparatus and method for optical amplifier, optical amplifi...
- Publication number 20060203329
- Publication date Sep 14, 2006
- FUJITSU LIMITED
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier with pump light source control for Raman amplific...
- Publication number 20060152796
- Publication date Jul 13, 2006
- FUJITSU LIMITED
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Amplification method and optical amplifier for wavelength division...
- Publication number 20060023298
- Publication date Feb 2, 2006
- FUJITSU LIMITED
- Chihiro Ohshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier and optical monitor circuit
- Publication number 20060024063
- Publication date Feb 2, 2006
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for amplification medium performance simulatio...
- Publication number 20050254119
- Publication date Nov 17, 2005
- FUJITSU LIMITED
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier for amplifying multi-wavelength light
- Publication number 20050248834
- Publication date Nov 10, 2005
- FUJITSU LIMITED
- Miki Onaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Control method of optical fiber amplifier and optical transmission...
- Publication number 20050225843
- Publication date Oct 13, 2005
- FUJITSU LIMITED
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER AND CONTROLLING METHOD FOR RAMAN AMPLIFIER
- Publication number 20050219681
- Publication date Oct 6, 2005
- FUJITSU LIMITED
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical multiplexing method and optical multiplexer, and optical am...
- Publication number 20050185885
- Publication date Aug 25, 2005
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Raman amplifier and wavelength division multiplexing optical commun...
- Publication number 20050132785
- Publication date Jun 23, 2005
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical apparatus with loss compensation capability and optical amp...
- Publication number 20050088727
- Publication date Apr 28, 2005
- FUJITSU LIMITED
- Hisao Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier with pump light source control for Raman amplific...
- Publication number 20050024714
- Publication date Feb 3, 2005
- FUJITSU LIMITED
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier having polarization mode dispersion compensation...
- Publication number 20040246568
- Publication date Dec 9, 2004
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier provided with control function of pumping light,...
- Publication number 20040196158
- Publication date Oct 7, 2004
- FUJITSU LIMITED
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Raman amplifier
- Publication number 20040080812
- Publication date Apr 29, 2004
- FUJITSU LIMITED
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier with pump light source control for Raman amplific...
- Publication number 20040080813
- Publication date Apr 29, 2004
- FUJITSU LIMITED
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20030234976
- Publication date Dec 25, 2003
- FUJITSU LIMITED
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Variable wavelength light source apparatus and optical amplifier us...
- Publication number 20030206336
- Publication date Nov 6, 2003
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Etsuko Hayashi

Person

Patents Grantslast 30 patents

Optical transmission apparatus and optical attenuation amount contr...

Optical amplifier

Optical amplifier provided with control function of pumping light,...

Gain control apparatus, optical transmission apparatus, gain contro...

Optical transmission apparatus and method of controlling the same

Optical surge suppressive type optical amplifier

Optical fiber, manufacturing method of the same, and optical amplifier

Optical amplifier provided with control function of pumping light,...

Individual band gain equalizer for optical amplifiers

Optical amplifier and optical monitor circuit

Optical transmission apparatus

Optical amplification characteristics simulation apparatus and opti...

Raman amplifier and wavelength division multiplexing optical commun...

Optical amplifier provided with control function of pumping light,...

Optical amplifier for amplifying multi-wavelength light

Optical amplifier, optical amplification repeater and pump light su...

Optical amplifier for wide band Raman amplification of wavelength d...

Optical amplifier with pump light source control for Raman amplific...

Individual band gain equalizer for optical amplifiers

Optical amplifier having polarization mode dispersion compensation...

Apparatus and method for amplification medium performance simulatio...

Raman amplifier

Apparatus and method for amplification medium performance simulatio...

Control method of optical fiber amplifier and optical transmission...

Optical multiplexing method and optical multiplexer, and optical am...

Amplification method and optical amplifier for wavelength division...

Optical amplifier and controlling method for Raman amplifier

Optical amplifier and gain tilt compensation method

Optical apparatus with loss compensation capability and optical amp...

Optical amplifier with pump light source control for Raman amplific...

Patents Applicationslast 30 patents

Optical amplifier provided with control function of pumping light,...

Optical transmission apparatus and optical attenuation amount contr...

Optical amplifier provided with control function of pumping light,...

Optical Surge Suppressive Type Optical Amplifier

INDIVIDUAL BAND GAIN EQUALIZER FOR OPTICAL AMPLIFIERS

GAIN CONTROL APPARATUS, OPTICAL TRANSMISSION APPARATUS, GAIN CONTRO...

Optical amplification characteristics simulation apparatus and opti...

OPTICAL TRANSMISSION APPARATUS AND METHOD OF CONTROLLING THE SAME

OPTICAL FIBER, MANUFACTURING METHOD OF THE SAME, AND OPTICAL AMPLIFIER

Optical surge suppresive type optical amplifier

Optical transmission apparatus

OPTICAL AMPLIFIER, OPTICAL AMPLIFICATION REPEATER AND PUMP LIGHT SU...

Control apparatus and method for optical amplifier, optical amplifi...

Optical amplifier with pump light source control for Raman amplific...

Amplification method and optical amplifier for wavelength division...

Optical amplifier and optical monitor circuit

Apparatus and method for amplification medium performance simulatio...

Optical amplifier for amplifying multi-wavelength light

Control method of optical fiber amplifier and optical transmission...

OPTICAL AMPLIFIER AND CONTROLLING METHOD FOR RAMAN AMPLIFIER

Optical multiplexing method and optical multiplexer, and optical am...

Raman amplifier and wavelength division multiplexing optical commun...

Optical apparatus with loss compensation capability and optical amp...

Optical amplifier with pump light source control for Raman amplific...

Optical amplifier having polarization mode dispersion compensation...

Optical amplifier provided with control function of pumping light,...

Raman amplifier

Optical amplifier with pump light source control for Raman amplific...

Optical amplifier

Variable wavelength light source apparatus and optical amplifier us...